> 1.9.4, and a 1.9 that's hacked for a large miniroot.  All 3 of them
> won't load any kernel I've ever tried feeding to them.  Every kernel, no
> matter how I grab it (fetch binary or ascii, copying over via NFS using
> MachTen, AppleShare) fails with the bootlog:
> 
> Logging to bootlog
> Booting...sizeof struct exec = 32
> Boot error: This kernel is not in a format which the booter can execute.
> 
> *********** Boot Stopped. ***********
> 
>     I've tried this both under 7.5.1 and 7.5.3R2.
> 
>     Somebody please help???  Any suggestions would be greatly appreciated.
> 

It's telling you what's wrong, the kernel is in the wrong format ;-)  
Chances are that the kernel files you are grabbing are in gzip format or 
else in tarred gzipped format.  Use a copy of MacGzip and/or Tar to get a 
raw kernel file and try to boot it.

I hope this helps.

Later.

-- 
Colin Wood                                      ender@is.rice.edu
Consultant                                        Rice University
Information Technology Services                       Houston, TX